Quote:
Originally Posted by MaSnaka
What I was trying to find out was...were the 428's that came from the factory installed in a Cobra, built from the same blocks used for 390's or are the blocks different and only used to build 428's?
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John, the simple answer here is No. The 390 and 428 blocks are different even though they may have the same or similar casting #s. There must be 200 variants so there's no need to go into them here, but the books that you ordered will shead some light on the subject as well. I went through this vertical learning curve just a while ago as I started sourcing parts for the 428/462 that I'm building for BDR687.
Steve